Dmitry Yurov

No automatic updates if GIT_TAG points to a branch

11

I am trying to use cpm for automating dependencies of my projects. Unfortunately if I use cpm like ``` CPMAddPackage( NAME name_of_repo GIT_REPOSITORY ssh://git@server/project.git GIT_TAG master EXCLUDE_FROM_ALL YES ) ```...

findChessboardCornersSB with CALIB_CB_MARKER: works only with central / corner marker on a white tile

2

### System Information OpenCV version: 4.9.0 and later (possibly also earlier versions) ### Detailed description Due to the implementation of `normalizeMarkerOrientation` [here](https://github.com/opencv/opencv/blob/2028998e00ab94fa8e2e9d3d888cc2d769d25027/modules/calib3d/src/chessboard.cpp#L1614), checkerboard with markers is detected by `findChessboardCornersSB` only...

Enable checkerboard detection with a central / corner marker on a black tile

2

This pull request closes the issue #25806. The issue doesn't require any documentation - it's quite intuitive that the detection result shouldn't depend on the color of the marker's tile....

This pull request contains data for testing marked checkerboards (see issue [here](https://github.com/opencv/opencv/issues/25806))

Add a family of routines for evaluating confidence limits on parameters of the models optimized with SolvePnP and calibrateCamera

1

### Describe the feature and motivation Currently the methods related to camera calibration (`calibrateCamera`) or pose estimation (flavours of `solvePnP`) return overall RMS reprojection errors. As a user I am...